What foods are kosher? Well, any food that is prepared according to the Jewish Dietary Laws is known as kosher food. Any kosher food prepared or mixed with a non kosher food is no longer kosher. For instance, if you use food coloring derived from a shellfish in a kosher cake, it will now be considered as non-kosher. Today, Jews live in different parts of world and one can easily see the influence and domination of Jewish food in some parts of the world. But the Jewish definition of Kosher food have changed with time. As there are different Jewish cultures and branches within Judaism, the Jewish Dietary Laws may vary from place to place and can be liberal to being conservative. Health-conscious people purchase kosher food because they believe it to be healthier and safer because of the extra supervision. There are different reasons that spark interest in what foods are kosher and could relate to health, religion, and cultural reason. s. The term ‘kosher’ has even got a place in American slang and means proper or appropriate. /you will often hear people saying that “it is not kosher” instead of 'it is not right'. Kosher laws are rather widespread. One for example, cud-chewing mammals are kosher, like sheep, goats, deer, while rabbit and pig are not. Only certain birds are looked upon as kosher and the list includes duck, chicken, turkey and goose. Tags: shmoogle, Kosher Restaurants